199904880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{463}}^1$

素因数の和:743

約数の個数: 160

約数和(自身を含む): 712525824

約数和(自身を除く): 512620944

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 257, 280, 336, 420, 463, 514, 560, 771, 840, 926, 1028, 1285, 1389, 1542, 1680, 1799, 1852, 2056, 2315, 2570, 2778, 3084, 3241, 3598, 3704, 3855, 4112, 4630, 5140, 5397, 5556, 6168, 6482, 6945, 7196, 7408, 7710, 8995, 9260, 9723, 10280, 10794, 11112, 12336, 12964, 13890, 14392, 15420, 16205, 17990, 18520, 19446, 20560, 21588, 22224, 25928, 26985, 27780, 28784, 30840, 32410, 35980, 37040, 38892, 43176, 48615, 51856, 53970, 55560, 61680, 64820, 71960, 77784, 86352, 97230, 107940, 111120, 118991, 129640, 143920, 155568, 194460, 215880, 237982, 259280, 356973, 388920, 431760, 475964, 594955, 713946, 777840, 832937, 951928, 1189910, 1427892, 1665874, 1784865, 1903856, 2379820, 2498811, 2855784, 3331748, 3569730, 4164685, 4759640, 4997622, 5711568, 6663496, 7139460, 8329370, 9519280, 9995244, 12494055, 13326992, 14278920, 16658740, 19990488, 24988110, 28557840, 33317480, 39980976, 49976220, 66634960, 99952440, 199904880]

約数ペア:

[(1, 199904880), (2, 99952440), (3, 66634960), (4, 49976220), (5, 39980976), (6, 33317480), (7, 28557840), (8, 24988110), (10, 19990488), (12, 16658740), (14, 14278920), (15, 13326992), (16, 12494055), (20, 9995244), (21, 9519280), (24, 8329370), (28, 7139460), (30, 6663496), (35, 5711568), (40, 4997622), (42, 4759640), (48, 4164685), (56, 3569730), (60, 3331748), (70, 2855784), (80, 2498811), (84, 2379820), (105, 1903856), (112, 1784865), (120, 1665874), (140, 1427892), (168, 1189910), (210, 951928), (240, 832937), (257, 777840), (280, 713946), (336, 594955), (420, 475964), (463, 431760), (514, 388920), (560, 356973), (771, 259280), (840, 237982), (926, 215880), (1028, 194460), (1285, 155568), (1389, 143920), (1542, 129640), (1680, 118991), (1799, 111120), (1852, 107940), (2056, 97230), (2315, 86352), (2570, 77784), (2778, 71960), (3084, 64820), (3241, 61680), (3598, 55560), (3704, 53970), (3855, 51856), (4112, 48615), (4630, 43176), (5140, 38892), (5397, 37040), (5556, 35980), (6168, 32410), (6482, 30840), (6945, 28784), (7196, 27780), (7408, 26985), (7710, 25928), (8995, 22224), (9260, 21588), (9723, 20560), (10280, 19446), (10794, 18520), (11112, 17990), (12336, 16205), (12964, 15420), (13890, 14392)]